<template>
  <div class="login-container" >
    <div class="left">
      <img src="../../image/loginBak.png" alt="">
    </div>
    <div class="right">
      <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">
      <div class="title-container">
        <div class="img"></div>
      </div>
      <div class="title-container">
        <h3 class="title">任务协同信息管理系统</h3>
      </div>

      <el-form-item prop="username" ref="formItem" :class="{'bordered':addBorders ==0}">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="Username"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
          @focus.stop="addBorder(0)"
        />
      </el-form-item>

      <el-form-item prop="password" ref="formItem" :class="{'bordered':addBorders ==1}">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="Password"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
          @focus.stop="addBorder(1)"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">立即登入</el-button>

      <!-- <div class="tips">
        <span style="margin-right:20px;">username: admin</span>
        <span> password: any</span>
      </div> -->

    </el-form>
    </div>
    
  </div>
</template>

<script>
import { validUsername } from '@/utils/validate'

export default {
  name: 'Login',
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error('请输入账号'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('密码长度不能低于6位'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        username: 'admin',
        password: '123456',
        isLogin:0
      },
      loginRules: {
        username: [{ required: true, message: '请输入', trigger: 'blur' }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined,
      addBorders:null
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.$store.dispatch('user/login', this.loginForm).then(() => {
            console.log(this.redirect)
            this.$router.push({ path: this.redirect || '/' })
            console.log(this.redirect)
            this.loading = false
          }).catch(() => {
            this.loading = false
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    addBorder(v) {
      // console.log('123')
      // console.log(v)
      this.addBorders =v
      console.log( this.addBorders)
      // this.$refs.formItem.$el.classList.add('bordered');
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      background: #f7f8fa;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: #000;
      height: 57px;
      caret-color: $cursor;
      font-size: 18px;
      border-radius: 4px;
      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
      &:focus{
        background: #fff;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
    margin-bottom: 25px;
    background: #f7f8fa;
    
  }
  .bordered{
    background: #ffffff !important;
    border: 1px solid #1469ce;
    input {
      background: #ffffff 
    }
    
  }
  .el-button{
    height: 62px;
    background: #1469ce;
    border-radius: 4px;
    font-size: 22px;
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  // background-color: $bg; 
  overflow: hidden;
  display: flex;
  background: #fff;
  .left{
    width: 60%;
    img{
      width: 100%;
      height: 100%;
    }
  } 
  .right{
    width: 40%;
  }
  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 170px 35px 0;
    margin: 0 auto;
    overflow: hidden;
    color: #000;
  }

  .tips {
    font-size: 14px;
    color: #000;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 0px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 40px;
    font-size: 24px;
    display: inline-block;
  }

  .title-container {
    position: relative;
    .img{
      width: 140px;
      height: 50px;
      background-image: url('../../image/logo3.png');
      background-size: 100% 100%;
      margin-left: 140px;
    }
    .title {
      font-size: 26px;
      color: #666666;
      margin: 20px auto 100px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
